[PATCH] D139531: [Docs] Update PatFrag definition in documentation

[Luke Lau via Phabricator via llvm-commits]

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The old definition for store was outdated


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139531

Files:
  llvm/docs/WritingAnLLVMBackend.rst


Index: llvm/docs/WritingAnLLVMBackend.rst
===================================================================
--- llvm/docs/WritingAnLLVMBackend.rst
+++ llvm/docs/WritingAnLLVMBackend.rst
@@ -1316,13 +1316,20 @@
 
 .. code-block:: text
 
+  def st : SDNode<"ISD::STORE", SDTStore,
+                  [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
+
+  def unindexedstore : PatFrag<(ops node:$val, node:$ptr),
+                               (st node:$val, node:$ptr)> {
+    let IsStore = true;
+    let IsUnindexed = true;
+  }
+
   def store : PatFrag<(ops node:$val, node:$ptr),
-                      (st node:$val, node:$ptr), [{
-    if (StoreSDNode *ST = dyn_cast<StoreSDNode>(N))
-      return !ST->isTruncatingStore() &&
-             ST->getAddressingMode() == ISD::UNINDEXED;
-    return false;
-  }]>;
+                      (unindexedstore node:$val, node:$ptr)> {
+    let IsStore = true;
+    let IsTruncStore = false;
+  }
 
 ``XXXInstrInfo.td`` also generates (in ``XXXGenDAGISel.inc``) the
 ``SelectCode`` method that is used to call the appropriate processing method


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